index.html

{% extends "layout.html" %}
{% block content %}

   <div class="container">
        <div class="row d-flex justify-content-center">
            <div class="col-6 pt-5 pb-5 border border-primary rounded">
                <form action="/" method="POST">
                    <div class="form-group">
                        <label for="exampleInputEmail1">Email</label>
                        <input type="text" class="form-control" name ="name"aria-describedby="emailHelp" placeholder="Email...">
                    </div>
                    <div class="form-group">
                        <label for="exampleInputPassword1">Şifre</label>
                        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Şifre...">
                    </div>
                    <button type="submit" class="btn btn-primary">Giriş</button>
                </form>
            </div>
        </div>
    </div>
{% endblock content %}